time/tst-posixtz.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <time.h>
   5
   6 struct
   7 {
   8   time_t when;
   9   const char *tz;
  10   const char *result;
  11 } tests[] =
  12 {
  13   { 909312849L, "AEST-10AEDST-11,M10.5.0,M3.5.0",
  14     "1998/10/25 21:54:09 dst=1 zone=AEDST" },
  15   { 924864849L, "AEST-10AEDST-11,M10.5.0,M3.5.0",
  16     "1999/04/23 20:54:09 dst=0 zone=AEST" },
  17   { 919973892L, "AEST-10AEDST-11,M10.5.0,M3.5.0",
  18     "1999/02/26 07:18:12 dst=1 zone=AEDST" },
  19   { 909312849L, "EST+5EDT,M4.1.0/2,M10.5.0/2",
  20     "1998/10/25 05:54:09 dst=0 zone=EST" },
  21   { 924864849L, "EST+5EDT,M4.1.0/2,M10.5.0/2",
  22     "1999/04/23 06:54:09 dst=1 zone=EDT" },
  23   { 919973892L, "EST+5EDT,M4.1.0/2,M10.5.0/2",
  24     "1999/02/25 15:18:12 dst=0 zone=EST" },
  25 };
  26
  27 int
  28 main (void)
  29 {
  30   int result = 0;
  31   size_t cnt;
  32
  33   for (cnt = 0; cnt < sizeof (tests) / sizeof (tests[0]); ++cnt)
  34     {
  35       char buf[100];
  36       struct tm *tmp;
  37
  38       printf ("TZ = \"%s\", time = %ld => ", tests[cnt].tz, tests[cnt].when);
  39       fflush (stdout);
  40
  41       setenv ("TZ", tests[cnt].tz, 1);
  42
  43       tmp = localtime (&tests[cnt].when);
  44
  45       snprintf (buf, sizeof (buf),
  46                 "%04d/%02d/%02d %02d:%02d:%02d dst=%d zone=%s",
  47                 tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
  48                 tmp->tm_hour, tmp->tm_min, tmp->tm_sec, tmp->tm_isdst,
  49                 tzname[tmp->tm_isdst ? 1 : 0]);
  50
  51       fputs (buf, stdout);
  52
  53       if (strcmp (buf, tests[cnt].result) == 0)
  54         puts (", OK");
  55       else
  56         {
  57           result = 1;
  58           puts (", FAIL");
  59         }
  60     }
  61
  62   setenv ("TZ", "Universal", 1);
  63   localtime (&tests[0].when);
  64   printf ("TZ = \"Universal\" daylight %d tzname = { \"%s\", \"%s\" }",
  65           daylight, tzname[0], tzname[1]);
  66   if (! daylight)
  67     puts (", OK");
  68   else
  69     {
  70       result = 1;
  71       puts (", FAIL");
  72     }
  73
  74   setenv ("TZ", "AEST-10AEDST-11,M10.5.0,M3.5.0", 1);
  75   tzset ();
  76   printf ("TZ = \"AEST-10AEDST-11,M10.5.0,M3.5.0\" daylight %d"
  77           " tzname = { \"%s\", \"%s\" }", daylight, tzname[0], tzname[1]);
  78   if (daylight
  79       && strcmp (tzname[0], "AEST") == 0 && strcmp (tzname[1], "AEDST") == 0)
  80     puts (", OK");
  81   else
  82     {
  83       result = 1;
  84       puts (", FAIL");
  85     }
  86
  87   return result;
  88 }